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@@ -1,701 +0,0 @@
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-/* linux/arch/arm/mach-s5p64x0/clock-s5p6450.c
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- *
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- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
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- * http://www.samsung.com
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- *
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- * S5P6450 - Clock support
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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-*/
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-
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-#include <linux/init.h>
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-#include <linux/module.h>
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-#include <linux/kernel.h>
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-#include <linux/list.h>
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-#include <linux/errno.h>
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-#include <linux/err.h>
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-#include <linux/clk.h>
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-#include <linux/device.h>
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-#include <linux/io.h>
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-
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-#include <mach/hardware.h>
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-#include <mach/map.h>
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-#include <mach/regs-clock.h>
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-
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-#include <plat/cpu-freq.h>
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-#include <plat/clock.h>
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-#include <plat/cpu.h>
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-#include <plat/pll.h>
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-#include <plat/s5p-clock.h>
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-#include <plat/clock-clksrc.h>
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-
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-#include "clock.h"
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-#include "common.h"
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-
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-static struct clksrc_clk clk_mout_dpll = {
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- .clk = {
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- .name = "mout_dpll",
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- },
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- .sources = &clk_src_dpll,
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- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 5, .size = 1 },
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-};
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-
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-static u32 epll_div[][5] = {
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- { 133000000, 27307, 55, 2, 2 },
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- { 100000000, 43691, 41, 2, 2 },
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- { 480000000, 0, 80, 2, 0 },
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-};
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-
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-static int s5p6450_epll_set_rate(struct clk *clk, unsigned long rate)
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-{
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- unsigned int epll_con, epll_con_k;
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- unsigned int i;
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-
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- if (clk->rate == rate) /* Return if nothing changed */
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- return 0;
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-
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- epll_con = __raw_readl(S5P64X0_EPLL_CON);
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- epll_con_k = __raw_readl(S5P64X0_EPLL_CON_K);
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-
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- epll_con_k &= ~(PLL90XX_KDIV_MASK);
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- epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
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-
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- for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
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- if (epll_div[i][0] == rate) {
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- epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
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- epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
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- (epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
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- (epll_div[i][4] << PLL90XX_SDIV_SHIFT);
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- break;
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- }
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- }
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-
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- if (i == ARRAY_SIZE(epll_div)) {
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- printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__);
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- return -EINVAL;
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- }
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-
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- __raw_writel(epll_con, S5P64X0_EPLL_CON);
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- __raw_writel(epll_con_k, S5P64X0_EPLL_CON_K);
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-
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- printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
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- clk->rate, rate);
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-
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- clk->rate = rate;
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-
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- return 0;
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-}
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-
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-static struct clk_ops s5p6450_epll_ops = {
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- .get_rate = s5p_epll_get_rate,
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- .set_rate = s5p6450_epll_set_rate,
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-};
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-
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-static struct clksrc_clk clk_dout_epll = {
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- .clk = {
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- .name = "dout_epll",
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- .parent = &clk_mout_epll.clk,
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- },
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- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 24, .size = 4 },
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-};
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-
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-static struct clksrc_clk clk_mout_hclk_sel = {
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- .clk = {
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- .name = "mout_hclk_sel",
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- },
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- .sources = &clkset_hclk_low,
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- .reg_src = { .reg = S5P64X0_OTHERS, .shift = 15, .size = 1 },
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-};
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-
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-static struct clk *clkset_hclk_list[] = {
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- &clk_mout_hclk_sel.clk,
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- &clk_armclk.clk,
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-};
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-
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-static struct clksrc_sources clkset_hclk = {
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- .sources = clkset_hclk_list,
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- .nr_sources = ARRAY_SIZE(clkset_hclk_list),
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-};
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-
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-static struct clksrc_clk clk_hclk = {
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- .clk = {
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- .name = "clk_hclk",
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- },
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- .sources = &clkset_hclk,
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- .reg_src = { .reg = S5P64X0_OTHERS, .shift = 14, .size = 1 },
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- .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 8, .size = 4 },
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-};
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-
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-static struct clksrc_clk clk_pclk = {
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- .clk = {
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- .name = "clk_pclk",
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- .parent = &clk_hclk.clk,
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- },
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- .reg_div = { .reg = S5P64X0_CLK_DIV0, .shift = 12, .size = 4 },
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-};
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-static struct clksrc_clk clk_dout_pwm_ratio0 = {
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- .clk = {
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- .name = "clk_dout_pwm_ratio0",
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- .parent = &clk_mout_hclk_sel.clk,
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- },
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- .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 16, .size = 4 },
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-};
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-
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-static struct clksrc_clk clk_pclk_to_wdt_pwm = {
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- .clk = {
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- .name = "clk_pclk_to_wdt_pwm",
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- .parent = &clk_dout_pwm_ratio0.clk,
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- },
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- .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 20, .size = 4 },
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-};
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-
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-static struct clksrc_clk clk_hclk_low = {
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- .clk = {
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- .name = "clk_hclk_low",
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- },
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- .sources = &clkset_hclk_low,
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- .reg_src = { .reg = S5P64X0_OTHERS, .shift = 6, .size = 1 },
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- .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 8, .size = 4 },
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-};
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-
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-static struct clksrc_clk clk_pclk_low = {
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- .clk = {
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- .name = "clk_pclk_low",
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- .parent = &clk_hclk_low.clk,
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- },
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- .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 12, .size = 4 },
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-};
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-
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-/*
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- * The following clocks will be disabled during clock initialization. It is
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- * recommended to keep the following clocks disabled until the driver requests
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- * for enabling the clock.
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- */
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-static struct clk init_clocks_off[] = {
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- {
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- .name = "usbhost",
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- .parent = &clk_hclk_low.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 3),
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- }, {
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- .name = "dma",
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- .devname = "dma-pl330",
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- .parent = &clk_hclk_low.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 12),
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- }, {
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- .name = "hsmmc",
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- .devname = "s3c-sdhci.0",
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- .parent = &clk_hclk_low.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 17),
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- }, {
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- .name = "hsmmc",
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- .devname = "s3c-sdhci.1",
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- .parent = &clk_hclk_low.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 18),
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- }, {
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- .name = "hsmmc",
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- .devname = "s3c-sdhci.2",
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- .parent = &clk_hclk_low.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 19),
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- }, {
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- .name = "usbotg",
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- .parent = &clk_hclk_low.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 20),
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- }, {
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- .name = "lcd",
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- .parent = &clk_h,
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- .enable = s5p64x0_hclk1_ctrl,
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- .ctrlbit = (1 << 1),
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- }, {
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- .name = "watchdog",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 5),
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- }, {
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- .name = "rtc",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 6),
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- }, {
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- .name = "adc",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 12),
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- }, {
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- .name = "i2c",
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- .devname = "s3c2440-i2c.0",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 17),
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- }, {
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- .name = "spi",
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- .devname = "s5p64x0-spi.0",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 21),
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- }, {
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- .name = "spi",
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- .devname = "s5p64x0-spi.1",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 22),
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- }, {
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- .name = "i2c",
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- .devname = "s3c2440-i2c.1",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 27),
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- }, {
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- .name = "dmc0",
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- .parent = &clk_pclk.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 30),
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- }
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-};
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-
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-/*
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- * The following clocks will be enabled during clock initialization.
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- */
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-static struct clk init_clocks[] = {
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- {
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- .name = "intc",
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- .parent = &clk_hclk.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 1),
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- }, {
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- .name = "mem",
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- .parent = &clk_hclk.clk,
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- .enable = s5p64x0_hclk0_ctrl,
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- .ctrlbit = (1 << 21),
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- }, {
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- .name = "uart",
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- .devname = "s3c6400-uart.0",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 1),
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- }, {
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- .name = "uart",
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- .devname = "s3c6400-uart.1",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 2),
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- }, {
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- .name = "uart",
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- .devname = "s3c6400-uart.2",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 3),
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- }, {
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- .name = "uart",
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- .devname = "s3c6400-uart.3",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 4),
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- }, {
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- .name = "timers",
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- .parent = &clk_pclk_to_wdt_pwm.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 7),
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- }, {
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- .name = "gpio",
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- .parent = &clk_pclk_low.clk,
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- .enable = s5p64x0_pclk_ctrl,
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- .ctrlbit = (1 << 18),
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- },
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-};
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-
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-static struct clk *clkset_uart_list[] = {
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- &clk_dout_epll.clk,
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- &clk_dout_mpll.clk,
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-};
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-
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-static struct clksrc_sources clkset_uart = {
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- .sources = clkset_uart_list,
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- .nr_sources = ARRAY_SIZE(clkset_uart_list),
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-};
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-
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-static struct clk *clkset_mali_list[] = {
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- &clk_mout_epll.clk,
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- &clk_mout_apll.clk,
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- &clk_mout_mpll.clk,
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-};
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-
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-static struct clksrc_sources clkset_mali = {
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- .sources = clkset_mali_list,
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- .nr_sources = ARRAY_SIZE(clkset_mali_list),
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-};
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-
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-static struct clk *clkset_group2_list[] = {
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- &clk_dout_epll.clk,
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- &clk_dout_mpll.clk,
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- &clk_ext_xtal_mux,
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-};
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-
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-static struct clksrc_sources clkset_group2 = {
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- .sources = clkset_group2_list,
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- .nr_sources = ARRAY_SIZE(clkset_group2_list),
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-};
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-
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-static struct clk *clkset_dispcon_list[] = {
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- &clk_dout_epll.clk,
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- &clk_dout_mpll.clk,
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- &clk_ext_xtal_mux,
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- &clk_mout_dpll.clk,
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-};
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-
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-static struct clksrc_sources clkset_dispcon = {
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- .sources = clkset_dispcon_list,
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- .nr_sources = ARRAY_SIZE(clkset_dispcon_list),
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-};
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-
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-static struct clk *clkset_hsmmc44_list[] = {
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- &clk_dout_epll.clk,
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- &clk_dout_mpll.clk,
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- &clk_ext_xtal_mux,
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- &s5p_clk_27m,
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- &clk_48m,
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-};
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-
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-static struct clksrc_sources clkset_hsmmc44 = {
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- .sources = clkset_hsmmc44_list,
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- .nr_sources = ARRAY_SIZE(clkset_hsmmc44_list),
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-};
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-
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-static struct clk *clkset_sclk_audio0_list[] = {
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- [0] = &clk_dout_epll.clk,
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- [1] = &clk_dout_mpll.clk,
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- [2] = &clk_ext_xtal_mux,
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- [3] = NULL,
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- [4] = NULL,
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-};
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-
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-static struct clksrc_sources clkset_sclk_audio0 = {
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- .sources = clkset_sclk_audio0_list,
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- .nr_sources = ARRAY_SIZE(clkset_sclk_audio0_list),
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-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_audio0 = {
|
|
|
- .clk = {
|
|
|
- .name = "audio-bus",
|
|
|
- .devname = "samsung-i2s.0",
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- .ctrlbit = (1 << 8),
|
|
|
- .parent = &clk_dout_epll.clk,
|
|
|
- },
|
|
|
- .sources = &clkset_sclk_audio0,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 10, .size = 3 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 8, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clksrcs[] = {
|
|
|
- {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_fimc",
|
|
|
- .ctrlbit = (1 << 10),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 26, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 12, .size = 4 },
|
|
|
- }, {
|
|
|
- .clk = {
|
|
|
- .name = "aclk_mali",
|
|
|
- .ctrlbit = (1 << 2),
|
|
|
- .enable = s5p64x0_sclk1_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_mali,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 8, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 4, .size = 4 },
|
|
|
- }, {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_2d",
|
|
|
- .ctrlbit = (1 << 12),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_mali,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 30, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 20, .size = 4 },
|
|
|
- }, {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_usi",
|
|
|
- .ctrlbit = (1 << 7),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 10, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 16, .size = 4 },
|
|
|
- }, {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_camif",
|
|
|
- .ctrlbit = (1 << 6),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 28, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 20, .size = 4 },
|
|
|
- }, {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_dispcon",
|
|
|
- .ctrlbit = (1 << 1),
|
|
|
- .enable = s5p64x0_sclk1_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_dispcon,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC1, .shift = 4, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV3, .shift = 0, .size = 4 },
|
|
|
- }, {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_hsmmc44",
|
|
|
- .ctrlbit = (1 << 30),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_hsmmc44,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 6, .size = 3 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 28, .size = 4 },
|
|
|
- },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_mmc0 = {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_mmc",
|
|
|
- .devname = "s3c-sdhci.0",
|
|
|
- .ctrlbit = (1 << 24),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 18, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 0, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_mmc1 = {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_mmc",
|
|
|
- .devname = "s3c-sdhci.1",
|
|
|
- .ctrlbit = (1 << 25),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 20, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 4, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_mmc2 = {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_mmc",
|
|
|
- .devname = "s3c-sdhci.2",
|
|
|
- .ctrlbit = (1 << 26),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 22, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV1, .shift = 8, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_uclk = {
|
|
|
- .clk = {
|
|
|
- .name = "uclk1",
|
|
|
- .ctrlbit = (1 << 5),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_uart,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 13, .size = 1 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_spi0 = {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_spi",
|
|
|
- .devname = "s5p64x0-spi.0",
|
|
|
- .ctrlbit = (1 << 20),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk clk_sclk_spi1 = {
|
|
|
- .clk = {
|
|
|
- .name = "sclk_spi",
|
|
|
- .devname = "s5p64x0-spi.1",
|
|
|
- .ctrlbit = (1 << 21),
|
|
|
- .enable = s5p64x0_sclk_ctrl,
|
|
|
- },
|
|
|
- .sources = &clkset_group2,
|
|
|
- .reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
|
|
|
- .reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
|
|
|
-};
|
|
|
-
|
|
|
-static struct clk clk_i2s0 = {
|
|
|
- .name = "iis",
|
|
|
- .devname = "samsung-i2s.0",
|
|
|
- .parent = &clk_pclk_low.clk,
|
|
|
- .enable = s5p64x0_pclk_ctrl,
|
|
|
- .ctrlbit = (1 << 26),
|
|
|
-};
|
|
|
-
|
|
|
-static struct clk clk_i2s1 = {
|
|
|
- .name = "iis",
|
|
|
- .devname = "samsung-i2s.1",
|
|
|
- .parent = &clk_pclk_low.clk,
|
|
|
- .enable = s5p64x0_pclk_ctrl,
|
|
|
- .ctrlbit = (1 << 15),
|
|
|
-};
|
|
|
-
|
|
|
-static struct clk clk_i2s2 = {
|
|
|
- .name = "iis",
|
|
|
- .devname = "samsung-i2s.2",
|
|
|
- .parent = &clk_pclk_low.clk,
|
|
|
- .enable = s5p64x0_pclk_ctrl,
|
|
|
- .ctrlbit = (1 << 16),
|
|
|
-};
|
|
|
-
|
|
|
-static struct clk *clk_cdev[] = {
|
|
|
- &clk_i2s0,
|
|
|
- &clk_i2s1,
|
|
|
- &clk_i2s2,
|
|
|
-};
|
|
|
-
|
|
|
-static struct clksrc_clk *clksrc_cdev[] = {
|
|
|
- &clk_sclk_uclk,
|
|
|
- &clk_sclk_spi0,
|
|
|
- &clk_sclk_spi1,
|
|
|
- &clk_sclk_mmc0,
|
|
|
- &clk_sclk_mmc1,
|
|
|
- &clk_sclk_mmc2,
|
|
|
- &clk_sclk_audio0,
|
|
|
-};
|
|
|
-
|
|
|
-static struct clk_lookup s5p6450_clk_lookup[] = {
|
|
|
- CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_pclk_low.clk),
|
|
|
- CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk),
|
|
|
- CLKDEV_INIT(NULL, "spi_busclk0", &clk_p),
|
|
|
- CLKDEV_INIT("s5p64x0-spi.0", "spi_busclk1", &clk_sclk_spi0.clk),
|
|
|
- CLKDEV_INIT("s5p64x0-spi.1", "spi_busclk1", &clk_sclk_spi1.clk),
|
|
|
- CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk),
|
|
|
- CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk),
|
|
|
- CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk),
|
|
|
- CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0),
|
|
|
- CLKDEV_INIT("samsung-i2s.0", "i2s_opclk1", &clk_sclk_audio0.clk),
|
|
|
- CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1),
|
|
|
- CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2),
|
|
|
-};
|
|
|
-
|
|
|
-/* Clock initialization code */
|
|
|
-static struct clksrc_clk *sysclks[] = {
|
|
|
- &clk_mout_apll,
|
|
|
- &clk_mout_epll,
|
|
|
- &clk_dout_epll,
|
|
|
- &clk_mout_mpll,
|
|
|
- &clk_dout_mpll,
|
|
|
- &clk_armclk,
|
|
|
- &clk_mout_hclk_sel,
|
|
|
- &clk_dout_pwm_ratio0,
|
|
|
- &clk_pclk_to_wdt_pwm,
|
|
|
- &clk_hclk,
|
|
|
- &clk_pclk,
|
|
|
- &clk_hclk_low,
|
|
|
- &clk_pclk_low,
|
|
|
-};
|
|
|
-
|
|
|
-static struct clk dummy_apb_pclk = {
|
|
|
- .name = "apb_pclk",
|
|
|
- .id = -1,
|
|
|
-};
|
|
|
-
|
|
|
-void __init_or_cpufreq s5p6450_setup_clocks(void)
|
|
|
-{
|
|
|
- struct clk *xtal_clk;
|
|
|
-
|
|
|
- unsigned long xtal;
|
|
|
- unsigned long fclk;
|
|
|
- unsigned long hclk;
|
|
|
- unsigned long hclk_low;
|
|
|
- unsigned long pclk;
|
|
|
- unsigned long pclk_low;
|
|
|
-
|
|
|
- unsigned long apll;
|
|
|
- unsigned long mpll;
|
|
|
- unsigned long epll;
|
|
|
- unsigned long dpll;
|
|
|
- unsigned int ptr;
|
|
|
-
|
|
|
- /* Set S5P6450 functions for clk_fout_epll */
|
|
|
-
|
|
|
- clk_fout_epll.enable = s5p_epll_enable;
|
|
|
- clk_fout_epll.ops = &s5p6450_epll_ops;
|
|
|
-
|
|
|
- clk_48m.enable = s5p64x0_clk48m_ctrl;
|
|
|
-
|
|
|
- xtal_clk = clk_get(NULL, "ext_xtal");
|
|
|
- BUG_ON(IS_ERR(xtal_clk));
|
|
|
-
|
|
|
- xtal = clk_get_rate(xtal_clk);
|
|
|
- clk_put(xtal_clk);
|
|
|
-
|
|
|
- apll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_APLL_CON), pll_4502);
|
|
|
- mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P64X0_MPLL_CON), pll_4502);
|
|
|
- epll = s5p_get_pll90xx(xtal, __raw_readl(S5P64X0_EPLL_CON),
|
|
|
- __raw_readl(S5P64X0_EPLL_CON_K));
|
|
|
- dpll = s5p_get_pll46xx(xtal, __raw_readl(S5P6450_DPLL_CON),
|
|
|
- __raw_readl(S5P6450_DPLL_CON_K), pll_4650c);
|
|
|
-
|
|
|
- clk_fout_apll.rate = apll;
|
|
|
- clk_fout_mpll.rate = mpll;
|
|
|
- clk_fout_epll.rate = epll;
|
|
|
- clk_fout_dpll.rate = dpll;
|
|
|
-
|
|
|
- printk(KERN_INFO "S5P6450: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
|
|
|
- " E=%ld.%ldMHz, D=%ld.%ldMHz\n",
|
|
|
- print_mhz(apll), print_mhz(mpll), print_mhz(epll),
|
|
|
- print_mhz(dpll));
|
|
|
-
|
|
|
- fclk = clk_get_rate(&clk_armclk.clk);
|
|
|
- hclk = clk_get_rate(&clk_hclk.clk);
|
|
|
- pclk = clk_get_rate(&clk_pclk.clk);
|
|
|
- hclk_low = clk_get_rate(&clk_hclk_low.clk);
|
|
|
- pclk_low = clk_get_rate(&clk_pclk_low.clk);
|
|
|
-
|
|
|
- printk(KERN_INFO "S5P6450: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
|
|
|
- " PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
|
|
|
- print_mhz(hclk), print_mhz(hclk_low),
|
|
|
- print_mhz(pclk), print_mhz(pclk_low));
|
|
|
-
|
|
|
- clk_f.rate = fclk;
|
|
|
- clk_h.rate = hclk;
|
|
|
- clk_p.rate = pclk;
|
|
|
-
|
|
|
- for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
|
|
|
- s3c_set_clksrc(&clksrcs[ptr], true);
|
|
|
-}
|
|
|
-
|
|
|
-void __init s5p6450_register_clocks(void)
|
|
|
-{
|
|
|
- int ptr;
|
|
|
- unsigned int cnt;
|
|
|
-
|
|
|
- for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
|
|
|
- s3c_register_clksrc(sysclks[ptr], 1);
|
|
|
-
|
|
|
-
|
|
|
- s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev));
|
|
|
- for (cnt = 0; cnt < ARRAY_SIZE(clk_cdev); cnt++)
|
|
|
- s3c_disable_clocks(clk_cdev[cnt], 1);
|
|
|
-
|
|
|
- s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
|
|
|
- s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
|
|
|
- for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++)
|
|
|
- s3c_register_clksrc(clksrc_cdev[ptr], 1);
|
|
|
-
|
|
|
- s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
|
|
|
- s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
|
|
|
- clkdev_add_table(s5p6450_clk_lookup, ARRAY_SIZE(s5p6450_clk_lookup));
|
|
|
-
|
|
|
- s3c24xx_register_clock(&dummy_apb_pclk);
|
|
|
-}
|